4" (101MM) Flex Hone 400 Grit Silicon Carbide Commercial Grade

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About 4" (101MM) Flex Hone 400 Grit Silicon Carbide

This brand new sealed in package Commercial Version engine cylinder hone is for 3.825" to 4.055" BORES. That includes the popular engine bore sizes of 4.00", 4.030", 4.060" inch bores. Perfect for Chevy small blocks but will work with other engines as well. Made in USA by the one of the best cylinder hone manufacturers. 400 grit, Excellent for re-ringing jobs or final bore utilizing performance or Moly rings. Tool is labeled as 4.000" diameter but is actually slightly larger to apply the required wall for force honing a 4.000" bore Tool is self centering and easy to use (email us for YouTube video link) Hone can be used with a 3/8" or 1/2" chuck portable drill or drill press Comes in storage box to place hone after use This patented Flex-Hone is the best way to create a Cross Hatch surface finish with suspended globule working abrasives. Contact us for more information as we use this hone on all of our race motors. Most of the engine hone articles reference this exact brand and type of tool. THIS TOOL HAS MORE GLOBULES and THE LONG SHAFT for production, commercial engine honing.